%I #8 Jan 17 2019 18:33:43
%S 3,7,31,127,8191,131071,524287,8388607
%N Numbers that are both Mersenne numbers (A001348) and lucky numbers (A000959).
%C a(9) > 2^31 - 1 (by exhaustive search). - _Jon Maiga_, Jan 17 2019
%Y Cf. A000959, A001348.
%K nonn,more
%O 1,1
%A _Naohiro Nomoto_, Oct 09 2000
%E More terms from Mark Weston (mweston(AT)uvic.ca), Oct 10 2001